— Under construction —
Anechoic Chamber
| Dimensions | 10 m x 10 m x 8 m (800 m3) |
| Year | 1969 |
| Builder | Grünzweig & Hartmann |
| Background noise level | 17 dBA |
| Length of wedges | 1 m |
| Operational frequency range | 75 Hz – 10 kHz (with mean reflection coefficient < 0.1, which is equivalent to sound absorption > 99 %) |
| Mounting | 4 sets of steel strings, each set comprises 8 double springs; the resonance frequency is 10 Hz |
| Weight | 400 tons |